TWI728488B - Switch systems and methods for audio - Google Patents

Abstract

A switch system for audio is disclosed. The system comprises: a display and a video input device. The display comprises a first interface, a second interface, audio output unit, process module and audio output unit. The process module is coupled to the first interface, the second interface and the audio output unit. The video input device correspond to audio setting parameters, and selectively output an audio signal to the display form a first path corresponding to the first interface and a second path corresponding to the second interface, and the process module selectively receives the audio signal according to the audio setting parameters and output the audio signal to the audio output unit.

Description

Audio switching system and method

The present invention generally relates to an audio switching system and method, and specifically, the present invention relates to an audio switching system and method of an gaming display.

In order to pursue better audio output quality, the prior art gaming monitors will simultaneously input audio through the USB interface and the video interface (such as HDMI/DP). However, it is necessary to input audio through the USB interface and the video interface at the same time. The audio setting interface of the gaming monitor is used to match the audio input from the USB interface and the video interface. If the user chooses or matches wrongly, the audio will not be output, and the user will not hear any sound. Or, if the user’s gaming monitor is only connected to the video interface but not the USB interface, and forgot to output audio from the video interface in the audio settings, the audio cannot be heard by the user.

One of the objects of the present invention is to provide an audio switching method and system, which can automatically detect the user's choice of audio output device when the user chooses or matches wrongly, or forgets to set the audio correctly, and sends the corresponding command (for example, DDC /CI command or USB command) to control and switch the audio output path of the gaming monitor so that the audio can be output smoothly.

In one embodiment, an audio switching system of the present invention includes: a display, including: a first interface; a second interface; an audio output unit; and a processing module, coupled to the first interface, the second interface, and the audio output unit: And an audio-visual input device, the audio-visual input device corresponds to the audio setting parameters, the first path corresponds to the first interface and the second path corresponds to the second interface to selectively output audio signals to the display, and the processing module selects the second interface according to the audio setting parameters. An interface and a second interface receive audio signals and output them to the audio output unit.

In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. Throughout the specification, the same reference numerals denote the same elements. It should be understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "connected" to another element, it can be directly on or connected to the other element, or Intermediate elements can also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements. As used herein, "connected" can refer to physical and/or electrical connection. Furthermore, "electrically connected" or "coupled" may mean that there are other elements between two elements.

It should be understood that although the terms "first", "second", "third", etc. may be used herein to describe various elements, components, regions, layers and/or parts, these elements, components, regions, and/or Or part should not be restricted by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Therefore, the "first element", "component", "region", "layer" or "portion" discussed below may be referred to as a second element, component, region, layer or section without departing from the teachings herein.

The terminology used here is only for the purpose of describing specific embodiments and is not restrictive. As used herein, unless the content clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include the plural forms, including "at least one." "Or" means "and/or". As used herein, the term "and/or" includes any and all combinations of one or more of the related listed items. It should also be understood that when used in this specification, the terms "including" and/or "including" designate the presence of the features, regions, wholes, steps, operations, elements, and/or components, but do not exclude one or more The existence or addition of other features, regions as a whole, steps, operations, elements, components, and/or combinations thereof.

In addition, relative terms such as "lower" or "bottom" and "upper" or "top" may be used herein to describe the relationship between one element and another element, as shown in the figure. It should be understood that relative terms are intended to include different orientations of the device in addition to the orientation shown in the figures. For example, if the device in one figure is turned over, elements described as being on the "lower" side of other elements will be oriented on the "upper" side of the other elements. Therefore, the exemplary term "lower" can include an orientation of "lower" and "upper", depending on the specific orientation of the drawing. Similarly, if the device in one figure is turned over, elements described as "below" or "beneath" other elements will be oriented "above" the other elements. Thus, the exemplary terms "below" or "below" can include an orientation of above and below.

As used herein, "about", "approximately", or "substantially" includes the stated value and the average value within an acceptable range of deviation from the specific value determined by a person of ordinary skill in the art, taking into account the measurement in question and the A certain amount of measurement-related error (ie, the limitation of the measurement system). For example, "about" can mean within one or more standard deviations of the stated value, or within ±30%, ±20%, ±10%, ±5%. Furthermore, the "about", "approximately" or "substantially" used herein can select a more acceptable range of deviation or standard deviation based on optical properties, etching properties or other properties, instead of using one standard deviation for all properties .

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with their meanings in the context of related technologies and the present invention, and will not be interpreted as idealized or excessive The formal meaning, unless explicitly defined as such in this article.

The exemplary embodiments are described herein with reference to cross-sectional views that are schematic diagrams of idealized embodiments. Therefore, a change in the shape of the diagram as a result of, for example, manufacturing technology and/or tolerance can be expected. Therefore, the embodiments described herein should not be interpreted as being limited to the specific shape of the area as shown herein, but include, for example, shape deviations caused by manufacturing. For example, regions shown or described as flat may generally have rough and/or non-linear characteristics. Furthermore, the acute angles shown may be rounded. Therefore, the regions shown in the figures are schematic in nature, and their shapes are not intended to show the precise shape of the regions, and are not intended to limit the scope of the claims.

FIG. 1 shows a block diagram of an audio switching system according to an embodiment of the invention. As shown in FIG. 1, the audio switching system 1 includes: a display 10 and an audio-visual input device 20. The display 10 includes a first interface 101, a second interface 102, a processing module 103 and an audio output unit 104. The processing module 103 is coupled to the first interface 101, the second interface 102, and the audio output unit 104. The audio-visual input device 20 corresponds to the audio setting parameters. The first path 30 corresponds to the first interface 101 and the second path 40 corresponds to the second interface 102 to output the audio signal to the display 10. The processing module 103 selectively according to the audio setting parameters The audio signal is received by the first interface 101 and the second interface 102 and output to the audio output unit 104. The aforementioned first interface 101 is an HDMI, DP, VGA or wireless audio and video interface, the second interface 102 is a USB interface or an audio line port (audio line port), and the audio and video input device 20 is a desktop computer, a notebook computer, a mobile phone or A device with the function of inputting audio and video. The display 10 further includes a screen 105. The audio-visual input device 2 can simultaneously provide image signals and audio signals to the display 10 through the first path 30. The display 10 reads the image signals from the first interface 101 and sends them to the screen 105 for display.

FIG. 2 shows a block diagram of the internal block structure of a processing module according to an embodiment. As shown in FIG. 2, the processing module 103 further includes a first audio processing unit 1031, a second audio processing unit 1032, a switching unit 1033, and a control unit 1034. The first audio processing unit 1031 is coupled to the first interface 101, the second audio processing unit 1032 is coupled to the second interface 102, the switching unit 1033 is coupled to the first and second audio processing units 1031 and 1032, and the control unit 1034 is coupled to the switching unit 1033. The control unit 1034 selects the first interface 101 or the second interface 102 to receive audio signals according to the audio setting parameters, and controls the switching unit 1033 to select and switch between the first audio processing unit 1031 or the second audio processing unit 1032 according to the audio setting parameters. The audio signal from the first interface 101 or the second interface 102 is then output. The audio-visual input device 20 will be installed with detection software, so that when the audio-visual input device 20 is selected by the user to transmit the audio signal through the first path 30 or the second path 40, the detection software will detect the selected path and select the selected path. A command is sent to the control unit 1034, or the command can be sent to the control unit 1034 via a fixed path. The aforementioned command includes audio setting parameters. The aforementioned detection software will automatically install the audio-visual input device 20 so that when the user turns on the audio-visual input device 20, it will automatically execute in the background and automatically detect and switch the audio path.

FIG. 3 shows a flowchart of an audio switching method according to an embodiment of the invention. As shown in FIG. 3, the audio-visual input device 20 selectively outputs audio signals from the first path 30 corresponding to the first interface 101 of the display 10 and the second path 40 corresponding to the second interface 102 of the display 10 according to the audio setting parameters (step S301) , And the processing module 103 of the display 10 selects the first interface 101 and the second interface 102 to receive and output audio signals according to the audio setting parameters (step S302). The audio switching method of the present invention further includes simultaneously providing an image signal and an audio signal to the display 10 through the first path 30, and reading the image signal through the first interface 101, and transmitting the image signal to the screen 105 of the display 10 for display.

The step of selecting the processing module 103 of the present invention further includes: using the control unit 1034 of the processing module 103 to selectively receive audio signals from the first interface 101 and the second interface 102 according to the audio setting parameters, and using the control unit 1034 to set according to the audio The switching unit 1033 of the parameter control processing module 103 selectively switches the first audio processing unit 1031 of the processing module 103 and the second audio processing unit 1032 of the processing module 103 to output the audio signal after processing. The processing module 103 selection step further includes: installing detection software on the audio-visual input device 20, and when the audio-visual input device 20 selects the first path 30 or the second path 40 to transmit the audio signal, the detection software detects the selected path, A command is sent to the control unit 1034 from the selected path, and the aforementioned command includes audio setting parameters. The audio switching method of the present invention further has a fixed path to output audio. Therefore, when the audio and video input device 20 selects the first path 30 or the second path 40 to transmit audio signals, when the audio and video input device 20 is fixedly sent by the first path 30 to send the command to The control unit 1034, the instructions include audio setting parameters.

FIG. 4 shows the overall detailed operation diagram of the audio output of the audio switching system according to the present invention. As shown in FIG. 4, the audio-visual input device 20 corresponds to the audio setting parameters, and the video interface (HDMI/DP) (first path 30) corresponds to the first interface 101 and the USB interface (second path 40) corresponds to the second interface. 102 outputs audio signals to the display 10, and the processing module 103 selectively receives the audio signals from the first interface 101 and the second interface 102 according to the audio setting parameters and outputs them to the audio output unit 104. The control unit 1034 of the processing module 103 selectively receives audio signals from the first interface 101 and the second interface 102 according to the audio setting parameters, and controls the switching unit 1033 to selectively switch the first audio processing unit 1031 and the second interface according to the audio setting parameters. The second audio processing unit 1032 processes the audio signal and outputs it. The audio-visual input device 20 will install detection software so that when the audio-visual input device 20 selects the first path 30 or the second path 40 to transmit audio signals, the detection software will detect the selected path and send a command from the selected path To the control unit 1034, the aforementioned instructions include audio setting parameters. The aforementioned detection software will automatically install the audio-visual input device 20 so that when the user turns on the audio-visual input device 20, it will automatically execute in the background and automatically detect and switch the audio path. The aforementioned detection software can use the API interface of the MMD device to find the audio output device in use in the system settings. The detection software needs to determine the switching of the audio output device by polling, and then send the corresponding command (for example, DDC/CI or USB command) to the display.

The present invention has been described in the above-mentioned related embodiments, but the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent arrangements included in the spirit and scope of the patent application are all included in the scope of the present invention.

1 Audio switching system 10 Display 20 Audio and video input device 101 The first interface 102 The second interface 103 Processing Module 104 Audio output unit 105 screen 1031 The first audio processing unit 1032 The second audio processing unit 1033 Switching unit 1034 Control Unit

Fig. 1 shows an audio switching system according to an embodiment of the invention. Fig. 2 shows an internal structure diagram of a processing module according to an embodiment. FIG. 3 shows a flowchart of an audio switching method according to an embodiment of the invention. FIG. 4 shows the overall detailed operation diagram of the audio output of the audio switching system according to the present invention.

1 Audio switching system 10 Display 20 Audio and video input device 101 The first interface 102 The second interface 103 Processing Module 104 Audio output unit 105 screen

Claims (8)

An audio switching system includes: a display, including: a first interface; a second interface; an audio output unit; and a processing module coupled to the first interface, the second interface and the audio output unit; And an audio-visual input device, the audio-visual input device corresponds to an audio setting parameter, selectively outputs an audio signal to the display from a first path corresponding to the first interface and a second path corresponding to the second interface to the display, the processing module The group selectively receives the audio signal from the first interface and the second interface according to the audio setting parameter and outputs it to the audio output unit; wherein, the processing module further includes: a first audio processing unit coupled to the A first interface; a second audio processing unit coupled to the second interface; a switching unit coupled to the first and second audio processing units; and a control unit coupled to the switching unit, the control unit according to the The audio setting parameter selectively receives the audio signal from the first interface and processes the audio signal by the first audio processing unit to output the audio signal and receives the audio signal from the second interface and processes the audio signal by the second audio processing unit Output after the signal. According to the audio switching system of claim 1, the display further includes a screen, wherein when the audio-visual input device simultaneously provides an image signal and the audio signal to the display through the first path, the processing module is controlled by the first The interface reads the image signal and sends it to the screen for display. An audio switching system includes: a display, including: a first interface; a second interface; an audio output unit; and a processing module coupled to the first interface, the second interface and the audio output unit; And an audio-visual input device, the audio-visual input device corresponds to an audio setting parameter, selectively outputs an audio signal to the display from a first path corresponding to the first interface and a second path corresponding to the second interface to the display, the processing module The group selectively receives the audio signal from the first interface and the second interface according to the audio setting parameters and outputs it to the audio output unit; wherein, the audio/video input device installs a detection software to select the audio/video input device When the first path or the second path transmits the audio signal, the detection software detects the selected path and sends a command to the control unit, the command including the audio setting parameter. The audio switching system according to claim 1 or 3, wherein the first interface is HDMI, DP, VGA or wireless audio and video interface, the second interface is a USB interface or audio line port, and the audio and video input device is a desktop Computers, laptops, mobile phones or devices with input audio and video functions. An audio switching method includes the following steps: a first path corresponding to a first interface of a display and a second path corresponding to a second interface of the display are selectively output from a first path corresponding to a first interface of a display and a second path corresponding to a second interface of the display according to an audio setting parameter. Audio signal; and a processing module of the display selects to receive and output the audio signal from the first interface and the second interface according to the audio setting parameters; wherein the processing module selection step further includes: A control unit of the processing module selectively receives the audio signal from the first interface and the second interface according to the audio setting parameter; and the control unit controls a switch of the processing module according to the audio setting parameter The unit selectively switches between a first audio processing unit of the processing module and a second audio processing unit of the processing module to process the audio signal and output it. The audio switching method according to claim 5, further comprising the following steps: when the first path is selected to output the audio signal, the first path simultaneously provides an image signal and the audio signal to the display; and The first interface reads the image signal, and transmits the image signal to a screen of the display for display. The audio switching method according to claim 5, further comprising the following steps: installing a detection software on the audio-visual input device; and when the audio-visual input device selects the first path or the second path to transmit the audio signal, the The detection software detects the selected path and sends a command to the control unit, the command including the audio setting parameter. The audio switching method according to claim 5, further comprising the following steps: when the audio-visual input device selects the first path or the second path to transmit the audio signal, when the audio-visual input device sends a command from the first path To the control unit, the instruction includes the audio setting parameter.

Images